Refactor: rcsetup plot types

.github/workflows/build-ultraplot.yml

@@ -136,9 +136,9 @@ jobs:
         with:
           path: ./ultraplot/tests/baseline # The directory to cache
           # Key is based on OS, Python/Matplotlib versions, and the base commit SHA
-          key: ${{ runner.os }}-baseline-base-v4-hs${{ env.PYTHONHASHSEED }}-${{ steps.baseline-ref.outputs.base_sha }}-${{ inputs.python-version }}-${{ inputs.matplotlib-version }}
+          key: ${{ runner.os }}-baseline-base-v5-hs${{ env.PYTHONHASHSEED }}-${{ steps.baseline-ref.outputs.base_sha }}-${{ inputs.python-version }}-${{ inputs.matplotlib-version }}
           restore-keys: |
-            ${{ runner.os }}-baseline-base-v4-hs${{ env.PYTHONHASHSEED }}-${{ steps.baseline-ref.outputs.base_sha }}-${{ inputs.python-version }}-${{ inputs.matplotlib-version }}-
+            ${{ runner.os }}-baseline-base-v5-hs${{ env.PYTHONHASHSEED }}-${{ steps.baseline-ref.outputs.base_sha }}-${{ inputs.python-version }}-${{ inputs.matplotlib-version }}-
 
       # Conditional Baseline Generation (Only runs on cache miss)
       - name: Generate baseline from main

ultraplot/internals/rc/__init__.py

@@ -0,0 +1,17 @@
+#!/usr/bin/env python3
+"""
+rc table assembly helpers.
+"""
+
+from .deprecations import get_rc_removed, get_rc_renamed
+from .registry import merge_rc_tables
+from .settings import build_settings_rc_table
+from .validators import build_validator_aliases
+
+__all__ = [
+    "build_settings_rc_table",
+    "build_validator_aliases",
+    "get_rc_removed",
+    "get_rc_renamed",
+    "merge_rc_tables",
+]

ultraplot/internals/rc/deprecations.py

@@ -0,0 +1,80 @@
+#!/usr/bin/env python3
+"""
+Deprecated and removed rc keys.
+"""
+
+from __future__ import annotations
+
+_RC_REMOVED = {  # {key: (alternative, version)} dictionary
+    "rgbcycle": ("", "0.6.0"),  # no alternative, we no longer offer this feature
+    "geogrid.latmax": ("Please use ax.format(latmax=N) instead.", "0.6.0"),
+    "geogrid.latstep": ("Please use ax.format(latlines=N) instead.", "0.6.0"),
+    "geogrid.lonstep": ("Please use ax.format(lonlines=N) instead.", "0.6.0"),
+    "gridminor.latstep": ("Please use ax.format(latminorlines=N) instead.", "0.6.0"),
+    "gridminor.lonstep": ("Please use ax.format(lonminorlines=N) instead.", "0.6.0"),
+}
+
+_RC_RENAMED = {  # {old_key: (new_key, version)} dictionary
+    "abc.format": ("abc", "0.5.0"),
+    "align": ("subplots.align", "0.6.0"),
+    "axes.facealpha": ("axes.alpha", "0.6.0"),
+    "geoaxes.edgecolor": ("axes.edgecolor", "0.6.0"),
+    "geoaxes.facealpha": ("axes.alpha", "0.6.0"),
+    "geoaxes.facecolor": ("axes.facecolor", "0.6.0"),
+    "geoaxes.linewidth": ("axes.linewidth", "0.6.0"),
+    "geogrid.alpha": ("grid.alpha", "0.6.0"),
+    "geogrid.color": ("grid.color", "0.6.0"),
+    "geogrid.labels": ("grid.labels", "0.6.0"),
+    "geogrid.labelpad": ("grid.pad", "0.6.0"),
+    "geogrid.labelsize": ("grid.labelsize", "0.6.0"),
+    "geogrid.linestyle": ("grid.linestyle", "0.6.0"),
+    "geogrid.linewidth": ("grid.linewidth", "0.6.0"),
+    "share": ("subplots.share", "0.6.0"),
+    "small": ("font.smallsize", "0.6.0"),
+    "large": ("font.largesize", "0.6.0"),
+    "span": ("subplots.span", "0.6.0"),
+    "tight": ("subplots.tight", "0.6.0"),
+    "axes.formatter.timerotation": ("formatter.timerotation", "0.6.0"),
+    "axes.formatter.zerotrim": ("formatter.zerotrim", "0.6.0"),
+    "abovetop": ("title.above", "0.7.0"),
+    "subplots.pad": ("subplots.outerpad", "0.7.0"),
+    "subplots.axpad": ("subplots.innerpad", "0.7.0"),
+    "subplots.axwidth": ("subplots.refwidth", "0.7.0"),
+    "text.labelsize": ("font.smallsize", "0.8.0"),
+    "text.titlesize": ("font.largesize", "0.8.0"),
+    "alpha": ("axes.alpha", "0.8.0"),
+    "facecolor": ("axes.facecolor", "0.8.0"),
+    "edgecolor": ("meta.color", "0.8.0"),
+    "color": ("meta.color", "0.8.0"),
+    "linewidth": ("meta.width", "0.8.0"),
+    "lut": ("cmap.lut", "0.8.0"),
+    "image.levels": ("cmap.levels", "0.8.0"),
+    "image.inbounds": ("cmap.inbounds", "0.8.0"),
+    "image.discrete": ("cmap.discrete", "0.8.0"),
+    "image.edgefix": ("edgefix", "0.8.0"),
+    "tick.ratio": ("tick.widthratio", "0.8.0"),
+    "grid.ratio": ("grid.widthratio", "0.8.0"),
+    "abc.style": ("abc", "0.8.0"),
+    "grid.loninline": ("grid.inlinelabels", "0.8.0"),
+    "grid.latinline": ("grid.inlinelabels", "0.8.0"),
+    "cmap.edgefix": ("edgefix", "0.9.0"),
+    "basemap": ("geo.backend", "0.10.0"),
+    "inlinefmt": ("inlineformat", "0.10.0"),
+    "cartopy.circular": ("geo.round", "0.10.0"),
+    "cartopy.autoextent": ("geo.extent", "0.10.0"),
+    "colorbar.rasterize": ("colorbar.rasterized", "0.10.0"),
+}
+
+
+def get_rc_removed():
+    """
+    Return removed rc settings.
+    """
+    return _RC_REMOVED.copy()
+
+
+def get_rc_renamed():
+    """
+    Return renamed rc settings.
+    """
+    return _RC_RENAMED.copy()

ultraplot/internals/rc/registry.py

@@ -0,0 +1,26 @@
+#!/usr/bin/env python3
+"""
+Utilities for composing rc tables from modular providers.
+"""
+
+from __future__ import annotations
+
+from typing import Any, Callable
+
+RcValidator = Callable[[Any], Any]
+RcEntry = tuple[Any, RcValidator, str]
+RcTable = dict[str, RcEntry]
+
+
+def merge_rc_tables(*tables: RcTable) -> RcTable:
+    """
+    Merge rc tables and fail on duplicate keys.
+    """
+    merged: RcTable = {}
+    for table in tables:
+        overlap = merged.keys() & table.keys()
+        if overlap:
+            overlap_str = ", ".join(sorted(overlap))
+            raise ValueError(f"Duplicate rc keys while merging tables: {overlap_str}")
+        merged.update(table)
+    return merged